Feature: Added Pre-Commit Hooks for Improved Formatting (CCExtractor#401)

* chore(pre-commit): add pre-commit hooks for dart code formatting and adding missing required trailing commas

* docs(CONTRIBUTING): add pre-commit hooks section to CONTRIBUTING.md

Author: superiorsd10

.github/hooks/pre_commit.sh

@@ -0,0 +1,19 @@
+# Get the list of Dart files to check
+dart_files=$(git diff --cached --name-only --diff-filter=ACM | grep -E '\.(dart)$')
+
+# Check if there are no Dart files to check
+if [[ -z "$dart_files" ]]; then
+  exit 0
+fi
+
+# Apply 'dart fix' to each file individually
+for file in $dart_files; do
+  echo "Adding required trailing commas to $file..."
+  dart fix --apply --code=require_trailing_commas "$file"
+done
+
+echo "Formatting Dart files..."
+dart format $dart_files
+
+echo "Dart files formatted successfully."
+exit 0

CONTRIBUTING.md

@@ -35,7 +35,11 @@ Before getting started, ensure you have the following prerequisites installed on
 
 6. **Documentation**: If your changes impact the user interface, configuration, or functionality, update the documentation to reflect the changes.
 
-7. **Commit**: Commit your changes with a clear and concise message.
+7. **Commit**:
+
+- **Activate pre-commit hooks (one-time process):** We strongly recommend activating the pre-commit hooks to ensure code consistency. Follow the instructions in the [Activating Pre-Commit Hooks](#activating-pre-commit-hooks) section. This is a one-time setup process, so you only need to do it once on your local machine.
+
+- Commit your changes with a clear and concise message:
 
     ```bash
     git commit -m "Add feature/fix: Describe your changes here"
@@ -53,6 +57,22 @@ Before getting started, ensure you have the following prerequisites installed on
 
 11. **Merge**: Once your PR is approved, it will be merged into the main project repository.
 
+## Activating Pre-Commit Hooks
+
+To ensure code consistency and improved code readability, we have implemented pre-commit hooks that automatically format your Dart code before each commit. To activate these hooks:
+
+1. **Make the hook script executable:**
+
+    ```bash
+    chmod +x .github/hooks/pre_commit.sh
+    ```
+
+2. **Create a symbolic link to the hook:**
+
+    ```bash
+    ln -s ../../.github/hooks/pre_commit.sh .git/hooks/pre-commit
+    ```
+
 ## Reporting Issues
 
 If you find a bug or have a suggestion for improvement, please create an [issue](https://github.com/CCExtractor/ultimate_alarm_clock/issues/new) on the project's GitHub repository. Be sure to include a clear and detailed description of the problem or enhancement.